Using Graphs & Geometry 161
Bisecting an implied angle
1. From the Construction menu, select the Angle Bisector tool ( ).
If no angle is present on the work area, you can create one by
selecting three different points.
2. Click to define the first side of the angle.
3. Click to define the vertex of the angle.
4. Click to define the second side of the angle.
The bisector line appears and is anchored on the work area when
you select the third point.
Creating the angle bisector at the
vertex of a triangle.
Anchoring the angle bisector on
the page.